Finding the Fourth Proportional to 92,512.36, 138,767.92 and 22,391.68
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Solution
The fourth proportional to 92,512.36, 138,767.92 and 22,391.68 is: 33,587.37
Step by Step Solution
- Step 1: Write the proportion equation
92,512.36 : 138,767.92 = 22,391.68 : x - Step 2: Convert to fraction form
92,512.36/138,767.92 = 22,391.68/x - Step 3: Cross multiply
92,512.36x = 138,767.92 × 22,391.68 - Step 4: Simplify right side
92,512.36x = 3,107,246,858.91 - Step 5: Solve for x
x = 3,107,246,858.91/92,512.36 - Step 6: Final answer
x = 33,587.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.